#2D0D12

CSS

:root {
  --bruised-plum: #2d0d12;
  --bruised-plum-rgb: 45 13 18;
  --bruised-plum-oklch: oklch(0.214 0.053 13.2);
}

.element {
  color: var(--bruised-plum);
  background-color: hsl(351 55% 11%);
  border-color: oklch(0.214 0.053 13.2);
}

Tailwind CSS v4

@theme {
  --color-bruised-plum: #2d0d12;
  --color-bruised-plum-50: #ffeff0;
  --color-bruised-plum-100: #f9e1e2;
  --color-bruised-plum-200: #eacccd;
  --color-bruised-plum-300: #d1adaf;
  --color-bruised-plum-400: #bc9295;
  --color-bruised-plum-500: #a6787c;
  --color-bruised-plum-600: #8c6669;
  --color-bruised-plum-700: #715154;
  --color-bruised-plum-800: #533b3e;
  --color-bruised-plum-900: #3a282a;
  --color-bruised-plum-950: #241618;
}

SCSS

$bruised-plum: #2d0d12;
$bruised-plum-rgb: 45, 13, 18;
$bruised-plum-light: mix(#fff, $bruised-plum, 20%);
$bruised-plum-dark: mix(#000, $bruised-plum, 20%);

.element {
  color: $bruised-plum;
  box-shadow: 0 0 0 2px rgba($bruised-plum, 0.35);
}